<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>HTML DEMO</title>
    <link rel="stylesheet" href="static/css/demo.css">
    <script src="static/js/demo.js"></script>
</head>
<body>
<h1>达内云计算2008</h1>
<hr>
<button onclick="hello()">Welcome</button>
</body>
</html>